# K031747: Spi Dental Implant Abutments

- Pathway: 510(k) (Special)
- Applicant: Thommen Medical AG
- Decided: Jul 2, 2003 after 27 days
- Product code: NHA (Abutment, Implant, Dental, Endosseous)
- Device class: 2
- Regulation: 21 CFR 872.3630
- Recalls of this device: none
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
Longest line of descent: 2 generations back to K901927 (1991). 3 ancestors in all.
33 later devices descend from it; 7 cite it directly.
0 of 37 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- K901927: HA-TI (Hand-Titanium Screw) Implant, Mathys Corp. of North America (1991) Summary page 2.
- K023645: Spi Easy Dental Implant Abutment, Thommen Medical AG (2002)

## Most influential descendants
- K121334: Varioeco (2012), 16 descendants of its own
- K160244: VARIOunite (2016), 15 descendants of its own
- K163634: External Hex Implants (2017), 13 descendants of its own
- K033346: Spi Easy Dental Implant Protective Cap (2003), 12 descendants of its own
- K051527: Spi Easy Temporary Cap (2005), 11 descendants of its own

## Indications for use
Thommen SPI Dental Implant Abutments are intended to be used in conjunction with SPI System dental implants in the maxillary and/or mandibular arch to provide support for crowns, bridges or overdentures.

Source page: https://510kreport.com/device/K031747
Methodology: https://510kreport.com/methodology